<template>
<transition name="slide">
    <music-list :title="title" :bg-image="bgImage" :songs="songs"></music-list>
</transition>
</template>

<script type="text/ecmascript-6">
import MusicList from 'components/music-list/music-list'
import {getSingerDetail} from 'api/singer'
import {ERR_OK} from 'api/config'
import {createSong} from 'common/js/song'
import {mapGetters} from 'vuex'

export default {
    computed: {
        title() {
            return this.singer.name
        },
        bgImage() {
            return this.singer.avatar
        },
        ...mapGetters([
            'singer'
        ])
    },
    data() {
        return {
            songs: []
        }
    },
    created() {
        this._getDetail()
    },
    methods: {
        _getDetail() {
            if (!this.singer.id) {
                this.$router.push('/singer')
                return
            }
            getSingerDetail(this.singer.id).then((res) => {
                if (res.code === ERR_OK) {
                    this.songs = this._normalizeSongs(res.data.list)
                }
            })
        },
        _normalizeSongs(list) {
            let ret = []
            list.forEach((item) => {
                let {musicData} = item
                if (musicData.songid && musicData.albummid) {
                    ret.push(createSong(musicData))
                }
            })
            return ret
        }
    },
    components: {
        MusicList
    }
}
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    .slide-enter-active, .slide-leave-active
        transition: all 0.3s

    .slide-enter, .slide-leave-to
        transform: translate3d(100%, 0, 0)
</style>